Reddit mentions of HEAD Liquidmetal Laser Racquetball Racquet, Strung, 3 5/8 Inch Grip

I'm going to give you a couple of options because at 50 dollars you don't really get much variance. I put some starting at $75 and went down to 50. I've organized the list so that the better racquets starting from top to bottom but it's your money so feel free to pick whichever depending on if 50 is your absolute high point or not.

$75 used higher end racquet (mean streak on the right)

http://www.racquetballwarehouse.com/usedcatpage.html?ccode=HEADRBR

If you can't swing 75, but could swing $60, I'd get this

Ektelon O3 Hybrid Turbo Racquetball Racquet https://www.amazon.com/dp/B01AAQA7WY/ref=cm_sw_r_cp_api_DCpByb59ZPR2E

$60

GB-75 Racquetball Racket https://www.amazon.com/dp/B013GX7M44/ref=cm_sw_r_cp_api_hKpBybJVWZZ7M

$58

HEAD Liquidmetal Laser Racquetball Racquet https://www.amazon.com/dp/B00ZRZY66M/ref=cm_sw_r_cp_api_nFpBybH7VV6PS

$50

Wilson Jammer Racquetball Racquet https://www.amazon.com/dp/B00NBFH658/ref=cm_sw_r_cp_api_xLpBybCRY136C